by Proenca, C.E.B, Lughadha, E.M.N, Lucas, E.J, Woodgyer, E.M
Published in Systematic botany (01.04.2006)

by Woodgyer, E.M. (Royal Botanic Gardens, Kew, Richmond TW9 3AB (United Kingdom))
Published in Curtis's Botanical Magazine (United Kingdom) (1995)